/*
 * Copyright 2009-2009 Tanesha Project. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, 
 *    	 this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *    	 this list of conditions and the following disclaimer in the documentation 
 *    	 and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those 
 * of the authors and should not be interpreted as representing official policies, 
 * either expressed or implied, of the Tanesha Project.
 */
package com.google.api.chart;

import java.util.List;

import com.google.api.chart.encoding.SimpleURLEncoding;
import com.google.api.chart.features.ColorFeature;
import com.google.api.chart.features.FillFeature;
import com.google.api.chart.features.GoogleOMeterAndPieLabelsFeature;
import com.google.api.chart.features.LegendFeature;
import com.google.api.chart.features.ScalingFeature;
import com.google.api.chart.features.TitleFeature;

public final class GoogleOMeterChartMaker implements GoogleOMeterAndPieLabelsFeature<GoogleOMeterChartMaker>, ColorFeature<GoogleOMeterChartMaker>, FillFeature<GoogleOMeterChartMaker>, ScalingFeature<GoogleOMeterChartMaker>,
		TitleFeature<GoogleOMeterChartMaker>, LegendFeature<GoogleOMeterChartMaker>, ChartTypeMaker {

	public static GoogleOMeterChartMaker googleometer() {
		return new GoogleOMeterChartMaker();
	}

	private String label = null;

	private CommonFeatureHelper<GoogleOMeterChartMaker> common;

	private GoogleOMeterChartMaker() {
		common = new CommonFeatureHelper<GoogleOMeterChartMaker>(this);
	}

	public GoogleOMeterChartMaker label(String... labels) {
		if (labels.length > 0)
			this.label = SimpleURLEncoding.encode(labels[0]);
		return this;
	}

	@Override
	public String toString() {
		return "gom";
	}

	@Override
	public void fillParameters(List<String> parameters) {
		if (label != null)
			parameters.add("chl=" + label);
	}

	@Override
	public GoogleOMeterChartMaker colors(ColorMaker... colors) {
		return common.colors(colors);
	}

	@Override
	public GoogleOMeterChartMaker fills(FillMaker... fills) {
		// validate that it is backgrounds only.
		for (FillMaker fill : fills) {
			if (!fill.isBackground())
				throw new IllegalArgumentException("GoogleOMeter charts only allow background fills!");
		}
		return common.fills(fills);
	}

	@Override
	public GoogleOMeterChartMaker legend(ChartLegendMaker legend) {
		return common.legend(legend);
	}

	@Override
	public GoogleOMeterChartMaker legend(String... legends) {
		return common.legend(legends);
	}

	@Override
	public GoogleOMeterChartMaker scaling(ScalingMaker... scaling) {
		return common.scaling(scaling);
	}

	@Override
	public GoogleOMeterChartMaker title(String title) {
		return common.title(title);
	}

	@Override
	public GoogleOMeterChartMaker title(String title, ColorMaker color, int textSize) {
		return common.title(title, color, textSize);
	}

	@Override
	public GoogleOMeterChartMaker margins(MarginMaker margins) {
		return common.margins(margins);
	}
}
